{"id":"CVE-2026-21262","aliases":["EUVD-2026-10569","GHSA-wmrr-4347-6m3q"],"status":"published","title":"SQL Server Elevation of Privilege Vulnerability","description":"Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01661,"percentile":0.76993,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2026-03-10T17:04:32Z","modified":"2026-07-10T19:32:52Z","products":[{"vendor":"microsoft","product":"microsoft sql server 2016 service pack 3 (gdr)"},{"vendor":"microsoft","product":"microsoft sql server 2016 service pack 3 azure connect feature pack"},{"vendor":"microsoft","product":"microsoft sql server 2017 (cu 31)"},{"vendor":"microsoft","product":"microsoft sql server 2017 (gdr)"},{"vendor":"microsoft","product":"microsoft sql server 2019 (cu 32)"},{"vendor":"microsoft","product":"microsoft sql server 2019 (gdr)"},{"vendor":"microsoft","product":"microsoft sql server 2022 (gdr)"},{"vendor":"microsoft","product":"microsoft sql server 2022 for x64-based systems (cu 23)"},{"vendor":"microsoft","product":"microsoft sql server 2025 (cu 2)"},{"vendor":"microsoft","product":"microsoft sql server 2025 for x64-based systems (gdr)"},{"vendor":"microsoft","product":"sql_server_2016"},{"vendor":"microsoft","product":"sql_server_2017"},{"vendor":"microsoft","product":"sql_server_2019"},{"vendor":"microsoft","product":"sql_server_2022"},{"vendor":"microsoft","product":"sql_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21262","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21262"},{"url":"https://github.com/advisories/GHSA-wmrr-4347-6m3q"}],"sources":{"cve":[{"id":"CVE-2026-21262","title":"SQL Server Elevation of Privilege Vulnerability","description":"Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-03-10T17:04:32.361Z","modified":"2026-06-19T18:17:19.42Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T13:41:42.05254Z"}],"euvd":[{"id":"EUVD-2026-10569","description":"Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-03-10T17:04:32Z","modified":"2026-06-19T18:17:19Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:20:35.844489Z"}],"ghsa":[{"id":"GHSA-wmrr-4347-6m3q","title":"Improper access control in SQL Server allows an authorized attacker to elevate privileges over a...","description":"Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-03-10T18:31:19Z","modified":"2026-03-10T18:31:25Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:06:32.038351Z"}],"nvd":[{"id":"CVE-2026-21262","description":"Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-03-10T18:18:06.19Z","modified":"2026-07-10T19:32:52.287Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:12:08.279852Z"}]}}